Question: What is Aleksandr Lyapunov's doctoral thesis and who is his doctoral advisor?
Paraphrase: What is Aleksandr Lyapunov's doctoral proposal and who is his doctoral advisor?
SPARQL (Wikidata): SELECT ?value1 ?obj WHERE { wd:Q310788 p:P1026 ?s . ?s ps:P1026 ?obj . ?s pq:P184 ?value1 . }